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Abstract #4536

Detection of Thoracic Aorta Atherosclerotic Disease Using Simultaneous Non-Contrast Angiography and IntraPlaque Hemorrhage (SNAP) MR Imaging Technique

Le He1, Xihai Zhao1, Rui Li1, Jinnan Wang2, Chun Yuan, 13

1Center for Biomedical Imaging Research, Department of Biomedical Engineering, Tsinghua University, Beijing, China; 2Philips Research North America, Briarcliff Manor, NY, United States; 3Department of radiology, University of Washington, Seattle, WA, United States

Atherosclerotic disease in the thoracic aorta has been linked to an increased risk of thromboembolic events (such as embolic stroke or ischemic bowel) and an increased risk of mortality and stroke, especially for asymptomatic at-risk patients. It is very important to reliably identify aortic plaques. But the thoracic aorta located deep in the chest, it is difficult to directly evaluate the vessel wall condition with high resolution images. In this study, new MR was optimized and evaluated for the screening of the thoracic aorta atherosclerotic plaques.

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Keywords

abnormal acquisition agreement ahead allows angiography aorta aortic applied approved arch array arteries asymptomatic atherosclerosis best biomedical board bowel cardiac cardiovascular carotids channel characterization chest china circulation coil common community complex complicated condition consent considered containing contrast coronaries crop cross deep defined definition descending detection difficult directly disease display distribution edge engineering enhance especially evaluate evaluated evaluation events forms gated great hemorrhage identified identify important improved incidence independent initiation institutional intensity intra involved leads like linked local located location major males manor matrix measure measured medical mobile mortality nine north oblique older optimized parted patients plaque plaques population positive print prior protocol proximal radiology raised recorded recruited reliably resolution respiratory review risk samples scanned scout screening section sectional sections segments sense sensitivity similarly simultaneous site snap source statistics stroke subject subjects system systemic table thick thicken thickening thirty thoracic thrombi thrombus ulcerated upper vertebra vessel vessels visualize wall written years yuan